Medial canthopexy addresses traumatic telecanthus and loss of palpebral angle through canthal tendon mobilization, subperiosteal exposure of the central segment of the medial orbit, and fixation to its bony attachment.1 The most effective results are obtained by maintaining or resecuring the canthal tendon whenever possible to its original bony attachment and then displacing the bone to restore proper canthal position.3
Use of the novel Mitek anchor system has been shown to be a viable alternative for medial canthal tendon fixation.4,5 The normal medial canthal tendon is stronger than traditionally thought, withstanding forces of up 36 N before rupture. This strength is most closely approximated by the Mitek anchor system, at 97 percent of normal holding strength as compared with transnasal wires (74 percent) and 1.7-mm screw fixation into the medial orbit (92 percent).2 The Mitek anchor system has been shown to offer considerably reduced perioperative time as a result of increased placement accuracy and greater procedural simplicity; installation of the Mitek anchor is also associated with a smaller external incision (3-mm), minimal dissection, and overall reduced invasiveness.5
The authors have no financial interest to declare in relation to the content of this article.
Aaron M. Kosins, M.D., M.B.A.
Emil Kohan, B.S.
Josh Shajan, M.B.A.
Daniel Jaffurs, M.D.
Garrett Wirth, M.D.
Keyianoosh Paydar, M.D.
1.Kelly CP, Cohen AJ, Yavuzer R, Moreira-Gonzalez A, Jackson IT. Medial canthopexy: A proven technique. Ophthal Plast Reconstr Surg
2.Dagum AB, Antonyshyn O, Hearn T. Medial canthopexy: An experimental and biomechanical study. Ann Plast Surg
3.Goldenberg DC, Bastos EO, Alonso N, Friedhofer H, Ferreira MC. The role of micro-anchor devices in medial canthopexy. Ann Plast Surg
4.Antonyshyn OM, Weinberg MJ, Dagum AB. Use of a new anchoring device for tendon reinsertion in medial canthopexy. Plast Reconstr Surg
5.Okazaki M, Akizuki T, Ohmori K. Medial canthoplasty with the Mitek Anchor System. Ann Plast Surg
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